== sanity test 184c: Concurrent write and layout swap ==== 16:03:43 (1785096223) 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 1.46234 s, 16.5 MB/s 35+0 records in 35+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 2.18972 s, 16.8 MB/s ref file size: ref1(24117248), ref2(36700160) 1472+0 records in 1472+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 2.36076 s, 10.2 MB/s Copied 1196032 bytes before swapping layout...